<template>
  <div>
    <!-- 面包屑导航 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图区 -->
    <el-card class="box-card">
      <el-row :gutter="30">
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">
            <el-button slot="append" icon="el-icon-search" @click="searchUser"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible=true">添加用户</el-button>
        </el-col>
      </el-row>

      <el-table :data="userList" stripe border>
        <el-table-column type="index"></el-table-column>
        <el-table-column label="姓名" prop="username"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="电话" prop="mobile"></el-table-column>
        <el-table-column label="角色" prop="role_name"></el-table-column>
        <el-table-column label="状态" prop="mg_state">
          <template slot-scope="scope">
            <el-switch v-model="scope.row.mg_state" @change="userStatusChange(scope.row)">
            </el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作">
          <template slot-scope="scope">
            <el-button type="primary" icon="el-icon-edit" size="mini" @click="editUserInfo(scope.row.id)"></el-button>
            <el-button type="danger" icon="el-icon-delete" size="mini" @click="deleteUser(scope.row.id)"></el-button>
            <el-tooltip effect="dark" content="分配权限" placement="top" :enterable="false">
              <el-button type="warning" icon="el-icon-setting" size="mini" @click="setRole(scope.row)"></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>
      <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum" :page-sizes="[1, 2, 5, 10]" :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper" :total="total">
      </el-pagination>
    </el-card>
    <!-- 添加用户弹框 -->
    <el-dialog title="添加用户" :visible.sync="addDialogVisible" width="50%" @close="addDialogClose">
      <el-form :model="addUserForm" :rules="addUserFormRules" ref="addUserFormRef" label-width="70px">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addUserForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addUserForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addUserForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="addUserForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>
    <!-- 修改用户信息弹框 -->
    <el-dialog title="修改用户信息" :visible.sync="editDialogVisible" width="50%" @close="editDialogClose">
      <el-form :model="editUserForm" :rules="editUserFormRules" ref="editUserFormRef" label-width="70px">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="editUserForm.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editUserForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机号" prop="mobile">
          <el-input v-model="editUserForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUser(editUserForm.id)">确 定</el-button>
      </span>
    </el-dialog>

    <!-- 分配权限展示 -->
    <el-dialog title="分配用户权限" :visible.sync="setRightsDialogVisible" width="50%" @close="setRightDialogClose">
      <p>当前的用户:{{userInfo.username}}</p>
      <p>当前的角色:{{userInfo.role_name}}</p>
      <p>分配新角色：
        <el-select v-model="selectRoleId" placeholder="请选择">
          <el-option v-for="item in rolesList" :key="item.id" :label="item.roleName" :value="item.id">
          </el-option>
        </el-select>
      </p>
      <span slot="footer" class="dialog-footer">
        <el-button @click="setRoleDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
import { validates } from '@/utils/validate.js'

export default {
  data () {
    return {
      queryInfo: {
        query: '',
        // 当前页
        pagenum: 1,
        // 每页显示条数
        pagesize: 2
      },
      userList: [],
      total: 0,
      addDialogVisible: false,
      editDialogVisible: false,
      setRightsDialogVisible: false,
      addUserForm: {
        username: '',
        password: '',
        email: '',
        mobile: ''
      },
      addUserFormRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          { min: 3, max: 5, message: '长度在 3 到 5 个字符', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { min: 3, max: 5, message: '长度在 3 到 5 个字符', trigger: 'blur' }
        ],
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator: validates.validateEmail, trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '请输入手机号', trigger: 'blur' },
          { validator: validates.validatePhone, trigger: 'blur', message: '手机号码不正确，请输入合法的手机号' }
        ]
      },
      editUserForm: {},
      editUserFormRules: {
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator: validates.validateEmail, trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '请输入手机号', trigger: 'blur' },
          { validator: validates.validatePhone, trigger: 'blur', message: '手机号码不正确，请输入合法的手机号' }
        ]
      },
      selectRoleId: '',
      userInfo: {},
      rolesList: []
    }
  },
  created () {
    this.getUserList()
  },
  methods: {
    // 获得用户信息
    async getUserList () {
      const { data: res } = await this.$http.get('users', { params: this.queryInfo })
      if (res.meta.status !== 200) {
        this.$message.error('获取用户列表失败')
      }
      this.userList = res.data.users
      this.total = res.data.total
      console.log(this.userList)
    },
    // pageSize改变
    handleSizeChange (newSize) {
      this.queryInfo.pagesize = newSize
      this.getUserList()
    },
    // 当前页数改变
    handleCurrentChange (newPage) {
      this.queryInfo.pagenum = newPage
      this.getUserList()
    },
    // 用户状态更新
    async userStatusChange (userinfo) {
      console.log(userinfo)
      const { data: res } = await this.$http.put(`users/${userinfo.id}/state/${userinfo.mg_state}`)
      console.log(res)
      if (res.meta.status !== 200) {
        userinfo.msg_state = !userinfo.msg_state
        return this.$message.error('更新用户状态失败')
      } else {
        this.$message.success('更新用户状态成功')
      }
    },
    // 搜索
    searchUser () {
      this.getUserList()
    },
    // 关闭添加窗口
    addDialogClose () {
      this.$refs.addUserFormRef.resetFields()
    },
    // 添加微信
    addUser () {
      this.$refs.addUserFormRef.validate(async validate => {
        console.log(validate)
        if (validate) {
          const { data: res } = await this.$http.post('users', this.addUserForm)
          if (res.meta.status !== 201) {
            this.$message.error('添加用户失败')
          } else {
            this.$message.success('添加用户成功')
            this.addDialogVisible = false
            this.getUserList()
          }
        }
      })
    },
    // 编辑用户信息回调显示
    async editUserInfo (id) {
      const { data: res } = await this.$http.get('users/' + id)
      if (res.meta.status !== 200) {
        return
      }
      this.editUserForm = res.data
      this.editDialogVisible = true
    },
    // 关闭编辑窗口
    editDialogClose () {
      this.$refs.editUserFormRef.resetFields()
    },
    // 编辑用户确定按钮
    editUser (id) {
      // 预处理校验表单
      this.$refs.editUserFormRef.validate(async validate => {
        console.log(validate)
        if (!validate) {
          this.$message.error('请根据提示修改用户信息')
          this.editDialogVisible = true
          return
        }
        const { data: res } = await this.$http.put('users/' + id, this.editUserForm, {
          email: this.editUserForm.email,
          mobile: this.editUserForm.mobile
        })
        if (res.meta.status !== 200) return this.$message.error('更新用户信息失败')
        this.editDialogVisible = false
        this.getUserList()
        this.$message.success('更新用户信息成功')
      })
    },
    // 删除用户
    async deleteUser (id) {
      // 删除用户提示
      const result = await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(error => error)
      if (result !== 'confirm') {
        return this.$message.info('已取消了删除')
      }
      const { data: res } = await this.$http.delete('users/' + id)
      if (res.meta.status !== 200) {
        return this.$message.error('删除用户失败')
      }
      this.$message.success('删除用户成功')
      this.getUserList()
    },
    // 关闭分配权限对话框
    setRightDialogClose () {

    },
    // 点击分配角色
    async setRole (userInfo) {
      this.userInfo = userInfo
      // 在展示对话框之前，获取所有角色的列表
      const { data: res } = await this.$http.get('roles')
      if (res.meta.status !== 200) {
        return this.$message.error('获取角色列表失败！')
      }

      this.rolesList = res.data
      console.log(this.rolesList)
      this.setRightsDialogVisible = true
    },
    async saveRoleInfo () {
      if (!this.selectRoleId) {
        return this.$message.error('请选择要分配的角色！')
      }
      console.log(this.userInfo.id)
      console.log(this.selectRoleId)
      const { data: res } = await this.$http.put(`users/${this.userInfo.id}/role`, { rid: this.selectRoleId })
      if (res.meta.status !== 200) {
        return this.$message.error('分配角色失败！')
      }
      this.$message.success('分配角色成功！')
      this.getUserList()
      this.setRightsDialogVisible = false
    }

  }
}
</script>

<style lang="less" scoped>
</style>
